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OpenAI September 14, 2026 Perplexity trusts GPT‑6 Astra with end-to-end systems Perplexity uses Astra to write communications, change software, and monitor production systems, and checks in much less frequently than with earlier models. Start building with OpenAI Company size: Startup Region: North America Industry: Technology Products: API Loading… As an AI-powered answer engine, Perplexity is deeply focused on search and accuracy. Its ability to process large amounts of information is critically important. Johnny Ho, Cofounder and Chief Strategy Officer, observes that every time the model gets better at writing code, Perplexity’s search engine improves too. It becomes able to write better programs that search the web and internal information and summarize it very concisely. But the real challenge, according to Johnny, is taking those informational aspects and applying them to real-world systems. Something made easier with GPT‑6 Astra. “We can have the model craft communications, edit real-world systems, and monitor our production software in a way that previous generations were not able to.” —Johnny Ho, Cofounder and Chief Strategy Officer, Perplexity For Johnny, one of the most useful applications of AI is testing code. With limited time to test manually, he asks GPT‑6 Astra to build a small testing program around an application. The model generates realistic responses like those another service would send, for example, a language model API or a connector. By standing in for those services, the model can check how the application responds and test the workflow from start to finish. “We’re actually able to trust it with full end-to-end systems and check in on it much less frequently than previous generations of models.” —Johnny Ho, Cofounder and Chief Strategy Officer, Perplexity OpenAI <3 startups Join the communityStart building(opens in a new window) Keep reading Rapidly scaling online storage to serve over 1 billion ChatGPT users EngineeringSep 11, 2026 Cognition helps Devin test its own work with GPT‑6 Astra Sep 11, 2026 How a researcher uses Codex and ChatGPT to search for new antimicrobial molecules Applied AISep 10, 2026